Announcing LinkedIn News, Redesigned Homepage & more — The past few weeks have seen the release of a slew of features that have helped augment your experience of LinkedIn; features ranging from refined network updates to the ability to add a photo to your profile.

LinkedIn Needs to ReachOut — Professional networking service LinkedIn wants to emulate Facebook's success by drawing users and applications through the use of a similar portal strategy. But LinkedIn's best chance at success lies in doing just the opposite: reaching out to other web sites and applications.

LinkedIn and Facebook: Collision course? — LinkedIn, the business-networking site that many (including me) see as an also-ran in the social-networking game, has launched some new features, including a redesigned homepage and a rollout of its previously announced developer platform …

LinkedIn's Intelligent Application Platform — Several months ago, we announced we are working on APIs and a platform strategy for software developers to integrate with LinkedIn and display their application within LinkedIn. With the OpenSocial announcements, you can now see a lot …

In Memoriam: Marc Orchant — I received the news around 3PM today that my closest friend, business associate, co-conspirator, sometime mentor, sometime — protege and full time confidante had passed away a week after suffering a massive heart attack at his home in New Mexico. He was 50 years old.

The Second Coming — Michael Dell is back in charge of the troubled computer company he founded 23 years ago. He's already shaken things up. But can he bring back the magic? — His first official day back as chief executive, after stepping away for two and a half years, was Feb. 2.

Microsoft launches mobile advertising on MSN Mobile — Microsoft is today announcing the launch of mobile advertising on its range of MSN Mobile services in US, with mobile advertising already existing on MSN sites for users in Japan and some European countries.

Subdomains and subdirectories — Towards the tail end of PubCon, I noticed a spate of articles talking about subdomains and subdirectories in Google, and I wanted to talk more about this subject in case I was unclear. — Historically, it's been kind of a wash about when to use subdomains vs. subdirectories.

Toshiba enters solid-state with 128GB drive — Toshiba started its week with the introduction of its first solid-state disks in its 1.8-inch HDD range. Designed to replace conventional rotating storage, the drives are said to offer the storage of a multi-level cell flash device with the speed …

AGLOCO Doesn't Pay To Surf, Joins Deadpool — If it was a bad idea the first time around, it's probably a bad idea the second time around too. Mike was harsh on AGLOCO, a variation of the failed AllAdvantage pyramid scheme from a few years ago, when he wrote about their launch.